package jdbc;

import java.io.IOException;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class changepassword
 */
@WebServlet("/src/changepassword")
public class changepassword extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public changepassword() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setHeader("Access-Control-Allow-Origin", "*");//模板
	    response.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");//模板
	    response.setHeader("Access-Control-Allow-Headers", "Content-Type");//模板
	    //设置编码格式
	    request.setCharacterEncoding("UTF-8");//模板
	    response.setCharacterEncoding("UTF-8");//模板
		
	    String adminerid = request.getParameter("adminerid");
	    String oldpassword = request.getParameter("oldpassword");
	    String newpassword = request.getParameter("newpassword");
	    
	    hello a = new hello();//模板
	    try {
			ResultSet b;
			b=a.doselect("SELECT adminer_password from adminer where adminer_id= ? ", adminerid);
			while(b.next()) {
				if(b.getString("adminer_password").equals(oldpassword)) {
				a.doupdate("UPDATE adminer SET adminer_password= ? where adminer_id = ? ", newpassword,adminerid);
	    	response.getWriter().write("true");
			}
			else {
		    	response.getWriter().write("false");
			}
			}
			b.close();
	   
	    }catch (SQLException e) {//模板
			e.printStackTrace();//模板
		}//模板}
	}

}
